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1. Investigate and produce a report on the main different logic families and their requirements.
2. The report should focus on the two main logic families the 74 series and the 4000 series and their sub types. For each of these the report should include.
a. Describe with the use of circuit diagrams the difference between TTL (74 series) and CMOS (4000) integrated circuits.
b. The power requirements for each type including voltage range and current consumption.
c. The meaning and function of the following
i. Open collector outputs
ii. Totem pole outputs
iii. Tri (three) state logic outputs
d. Explain the meaning of and give examples of the Fan in and Fan out characteristics of eket .44farant famine:se
3. Give a description of the difference between synchronous and asynchronous machines giving an example of each.
Sketch an sc unit cell with lattice constant a=4 angstroms,whose diatomic basis of atom A is located at the lattice sites, andwith atom B displaced by (a/2,0,0). ASsume that both atoms have thesame size and we have a clse packed structure
A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance. a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance
Lead resistance 3 ohms, load resistance varies from 0.3 up to 4 ohms. Calculate maximum power if voltage in is 9 volts
the te01 mode of a circular metallic waveguide is distinguished by its very low attenuation constant by comparison
An AC sine wave is applied to the input of a full wave rectifier. The output of the full wave rectifier is then applied to a half wave rectifier.
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate the traffic load per..
A wire of diameter 1 mm and conductivity 5*10^7 S/m has 10^29 electrons / m^3 when an electron field of 10 mV / m is applied. Determine charge density of free electrons, current density, and current in the wire.
For a 64-PSK modulator with an input data rate(fb) equal to 36 Mbps and a carrier frequency of 100 MHz, determine the minimum double-sided Nyquist bandwidth(fN) and the baud. Sketch the output spectrum.
The output of the power supply should be a 5 Vdc with no more the 5 mV peak-peak ripple. 3) The output must be galvanically (transformer) isolated from the input, but NO 60 Hz transformers are to be used. 4) The load can be assumed purely resistiv..
Suppose that the cost of electrical energy is $0.12 per kilowatt hour and that your electric bill for 30 days is $60 (power usage only, not including other charges or taxes) Assume that the power delivered is constant over the entire 30 days.
Determine what kind of filter (low pass, high pass, bandpass, or band stop) the circuit represents. Briefly justify your answer. Confirm by computing the Bode plot using MATLAB and paste the graph below.
A small ac motor, draws 100 VA from its 120-Vrms, 60 Hz ac source and consumes 50 W. Find the rms current the motor draws from the supply.
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